Diet is linked to male infertility | Preserving hair during chemo | Zorba's father's gumball machine for dogs | Nuts & cholesterol | Eye drops to correct vision

Send Zorba a message! Zorba looks at new research about how one's diet affects men's sperm count. He helps a caller who has questions about using a cooling treatment to help preserve her air during chemotherapy. Zorba talks about his father's entrepreneurial endeavor developing and selling the "Yuppy Puppy" -- a gumball machine for dogs. He answers emails about eating nuts to help control cholesterol, and new prescription eye drops to help with near-sightedness. Support the show Production, e...